Under the cover of darkness
Lt. Col. Martin Schweim, 18th Flight Test Squadron pilot, signs out a helmet at aircrew flight equipment before a night-flying training mission, at Hurlburt Field, Fla., Oct. 22, 2015. The CV-22B Osprey pilots fly night sorties to practice using night-vision equipment and perform tactics critical to combat situations. (U.S. Air Force photo by Senior Airman Ryan Conroy/Released)
PHOTO BY:
Senior Airman Ryan Conroy
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151022-F-BH566-023.JPG
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